cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A036386 Number of prime powers (p^2, p^3, ...) <= 2^n.

Table of values

n a(n)
1 0
2 1
3 2
4 4
5 7
6 9
7 13
8 16
9 20
10 26
11 31
12 40
13 50
14 61
15 78
16 93
17 119
18 150
19 189
20 242
21 310
22 400
23 525
24 684
25 900
26 1190
27 1581
28 2117
29 2836
30 3807
31 5136
32 6948
33 9425
34 12811
35 17437
36 23788
37 32517
38 44512
39 60971
40 83640
41 114899
42 157948
43 217336
44 299360
45 412635
46 569193
47 785753
48 1085319
49 1500140
50 2074794
51 2870849
52 3974425
53 5504966

List of values

[0, 1, 2, 4, 7, 9, 13, 16, 20, 26, 31, 40, 50, 61, 78, 93, 119, 150, 189, 242, 310, 400, 525, 684, 900, 1190, 1581, 2117, 2836, 3807, 5136, 6948, 9425, 12811, 17437, 23788, 32517, 44512, 60971, 83640, 114899, 157948, 217336, 299360, 412635, 569193, 785753, 1085319, 1500140, 2074794, 2870849, 3974425, 5504966]